/* ===== 全局 ===== */
* { box-sizing: border-box; margin: 0; padding: 0; }
:root {
    --bg: #f5f7fa;
    --card: #ffffff;
    --border: #e4e7ec;
    --primary: #4a90d9;
    --primary-dark: #3a7bc8;
    --text: #2c3338;
    --text-sub: #6b7280;
    --success: #52c41a;
    --danger: #f5222d;
    --radius: 10px;
    --log-bg: #1e1e1e;
}
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
    font-size: 14px;
}
.container { max-width: 960px; margin: 0 auto; padding: 16px; }

/* ===== 登录遮罩 ===== */
.login-mask {
    position: fixed;
    inset: 0;
    background: linear-gradient(135deg, #4a90d9 0%, #3a7bc8 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}
.login-box {
    background: #fff;
    padding: 32px 28px;
    border-radius: 14px;
    width: 320px;
    box-shadow: 0 12px 40px rgba(0,0,0,.18);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
}
.login-logo {
    width: 56px; height: 56px;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    font-size: 28px; font-weight: 700;
    display: flex; align-items: center; justify-content: center;
}
.login-title { font-size: 18px; font-weight: 600; color: var(--text); }
.login-field { width: 100%; }
.login-field input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 14px;
    background: #fff;
    color: var(--text);
    transition: border-color .15s;
}
.login-field input:focus { outline: none; border-color: var(--primary); }
.login-btn { width: 100%; padding: 10px; font-size: 15px; }
.login-tip {
    min-height: 18px;
    font-size: 12px;
    color: var(--danger);
    text-align: center;
}
.btn-logout { margin-left: 8px; }

/* ===== 修改密码面板 ===== */
.pwd-panel { border-color: var(--primary); }
.pwd-form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    align-items: end;
}
.pwd-form .field:nth-child(1),
.pwd-form .field:nth-child(3) { grid-column: 1; }
.pwd-form .field:nth-child(2),
.pwd-form .field:nth-child(4) { grid-column: 2; }
.pwd-form button { grid-column: 1 / -1; }
.pwd-tip {
    margin-top: 10px;
    font-size: 12px;
    min-height: 18px;
    color: var(--danger);
}
.pwd-tip.ok { color: var(--success); }
@media (max-width: 720px) {
    .pwd-form { grid-template-columns: 1fr; }
    .pwd-form .field:nth-child(1),
    .pwd-form .field:nth-child(2),
    .pwd-form .field:nth-child(3),
    .pwd-form .field:nth-child(4) { grid-column: 1; }
}

/* ===== 顶栏 ===== */
.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 0 16px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 16px;
}
.title { display: flex; align-items: center; gap: 10px; }
.logo {
    font-size: 22px; font-weight: 700;
    color: var(--primary);
    display: inline-block;
}
.topbar h1 { font-size: 18px; font-weight: 600; }
.status { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--text-sub); }
.dot {
    width: 8px; height: 8px; border-radius: 50%;
    background: #d1d5db;
    transition: background .2s;
}
.dot.online { background: var(--success); box-shadow: 0 0 6px var(--success); }
.dot.offline { background: var(--danger); }

/* ===== 面板 ===== */
.panel {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
    margin-bottom: 16px;
}
.panel-title { font-size: 15px; font-weight: 600; }
.panel-header {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 12px;
}
.count { font-size: 12px; color: var(--text-sub); }

/* ===== 新增表单 ===== */
.add-form {
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr 1.5fr auto auto;
    gap: 10px;
    align-items: end;
}
.field { display: flex; flex-direction: column; gap: 4px; }
.field label { font-size: 12px; color: var(--text-sub); }
.field input {
    padding: 8px 10px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 14px;
    background: #fff;
    color: var(--text);
    transition: border-color .15s;
}
.field input:focus {
    outline: none;
    border-color: var(--primary);
}
.checkbox-field {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 6px;
    padding-top: 22px;
}
.checkbox-field input[type="checkbox"] {
    width: 16px;
    height: 16px;
    cursor: pointer;
    accent-color: var(--primary);
}
.checkbox-field label {
    font-size: 13px;
    color: var(--text);
    cursor: pointer;
    user-select: none;
}

/* ===== 按钮 ===== */
.btn {
    padding: 8px 16px;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    cursor: pointer;
    transition: background .15s, opacity .15s;
    font-family: inherit;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-mini { padding: 5px 10px; font-size: 12px; background: #eef1f6; color: var(--text); }
.btn-mini:hover { background: #e1e6ee; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #d9202a; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

/* ===== 规则列表 ===== */
.rules-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
}
.empty {
    grid-column: 1 / -1;
    text-align: center;
    color: var(--text-sub);
    padding: 24px;
    font-size: 13px;
}
.rule-card {
    position: relative;
    border: 1px solid var(--border);
    border-left: 3px solid var(--success);
    border-radius: 8px;
    padding: 12px 14px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    background: var(--card);
    transition: border-color .15s, box-shadow .15s, transform .15s;
}
.rule-card.card-pop-open {
    z-index: 99999;
}
.rule-card:hover {
    border-color: var(--primary);
    box-shadow: 0 4px 14px rgba(74,144,217,.12);
    transform: translateY(-1px);
}
.rule-card.disabled {
    border-left-color: #d1d5db;
    background: #fafbfc;
}
.rule-card.disabled .rule-domain { color: var(--text-sub); }
.rule-card.disabled .rule-domain:hover { color: var(--primary); }
.rule-domain {
    position: relative;
    font-size: 15px;
    font-weight: 600;
    color: var(--text);
    word-break: break-all;
    cursor: pointer;
    user-select: none;
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 2px 0;
    transition: color .15s;
}
.rule-domain:hover { color: var(--primary); }
.rule-domain:hover .domain-arrow { color: var(--primary); }
.domain-text { flex: 1; }
.domain-arrow {
    font-size: 12px;
    color: var(--text-sub);
    flex-shrink: 0;
    transition: transform .15s, color .15s;
}
.rule-domain .domain-pop[style*="block"],
.rule-domain .domain-pop:not([style*="none"]) ~ .domain-arrow,
.rule-card:has(.domain-pop:not([style*="none"])) .domain-arrow { transform: rotate(180deg); }

/* 域名操作浮层 */
.domain-pop {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    z-index: 1000;
    min-width: 150px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 6px;
    box-shadow: 0 6px 20px rgba(0,0,0,.12);
    padding: 4px;
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.pop-item {
    text-align: left;
    padding: 7px 10px;
    border: none;
    background: transparent;
    color: var(--text);
    font-size: 13px;
    font-family: inherit;
    border-radius: 4px;
    cursor: pointer;
    transition: background .12s, color .12s;
}
.pop-item:hover { background: var(--primary); color: #fff; }
.pop-item:first-child { color: var(--primary); font-weight: 600; }
.pop-item:first-child:hover { color: #fff; }

.rule-target {
    font-size: 13px;
    color: var(--text-sub);
    font-family: Consolas, Monaco, monospace;
    cursor: pointer;
    transition: color .15s;
    padding: 2px 0;
}
.rule-target:hover { color: var(--primary); }
/* 域名内联编辑输入框 */
.domain-input {
    flex: 1;
    padding: 4px 8px;
    border: 1px solid var(--primary);
    border-radius: 4px;
    font-size: 15px;
    font-weight: 600;
    font-family: inherit;
    background: #fff;
    color: var(--text);
    outline: none;
    min-width: 0;
}
.port-input {
    width: 90px;
    padding: 2px 6px;
    border: 1px solid var(--primary);
    border-radius: 4px;
    font-size: 13px;
    font-family: Consolas, Monaco, monospace;
    background: #fff;
    color: var(--text);
    outline: none;
}
.rule-remark {
    display: flex; align-items: center; gap: 6px;
    font-size: 12px; color: var(--text-sub);
    padding: 4px 6px;
    border-radius: 4px;
    cursor: pointer;
    transition: background .15s;
}
.rule-remark:hover { background: #f5f7fa; }
.remark-label { color: #9ca3af; flex-shrink: 0; }
.remark-text { color: var(--text); word-break: break-all; flex: 1; }
.remark-text.empty { color: #c0c4cc; font-style: italic; }
.remark-input {
    flex: 1;
    padding: 2px 6px;
    border: 1px solid var(--primary);
    border-radius: 4px;
    font-size: 12px;
    font-family: inherit;
    background: #fff;
    color: var(--text);
}
.rule-meta {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--text-sub);
    padding-top: 8px;
    border-top: 1px dashed var(--border);
    margin-top: 2px;
}
.rule-meta .rule-time { margin-left: auto; padding-right: 4px; }
.badge, .https-badge {
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
    cursor: pointer;
    user-select: none;
    transition: all .15s;
}
.badge { background: #e6f7ed; color: var(--success); }
.badge:hover { transform: scale(1.06); box-shadow: 0 2px 6px rgba(82,196,26,.25); }
.badge.off { background: #fdeaea; color: var(--danger); }
.badge.off:hover { box-shadow: 0 2px 6px rgba(245,34,45,.25); }
.https-badge { background: #eef1f6; color: var(--text-sub); }
.https-badge:hover { transform: scale(1.06); box-shadow: 0 2px 6px rgba(0,0,0,.08); }
.https-badge.on { background: #e6f7ed; color: var(--success); }
.https-badge.on:hover { box-shadow: 0 2px 6px rgba(82,196,26,.25); }
.btn-del {
    padding: 3px 10px;
    font-size: 11px;
    background: #fdeaea;
    color: var(--danger);
    border: 1px solid #f5c2c7;
}
.btn-del:hover { background: var(--danger); color: #fff; border-color: var(--danger); }

/* ===== 日志区 ===== */
.log-box {
    background: var(--log-bg);
    border-radius: 8px;
    padding: 12px;
    height: 65vh;
    min-height: 400px;
    overflow-y: auto;
    font-family: Consolas, Monaco, "Courier New", monospace;
    font-size: 12.5px;
    line-height: 1.7;
}
.log-line {
    display: flex;
    gap: 8px;
    padding: 1px 0;
    white-space: pre-wrap;
    word-break: break-all;
}
.log-time { color: #6b7280; flex-shrink: 0; }
.log-msg { color: #d4d4d4; }
.log-line.success .log-msg { color: #4ade80; }
.log-line.fail    .log-msg { color: #f87171; }
.log-line.info    .log-msg { color: #9ca3af; }
.log-line.login   .log-msg { color: #c084fc; }
.log-line.logout  .log-msg { color: #fb923c; }
.log-line.warn    .log-msg { color: #facc15; }
.log-line.proxy   .log-msg { color: #22d3ee; }
.log-line.loop    .log-msg { color: #60a5fa; }

/* ===== 响应式 ===== */
@media (max-width: 720px) {
    .container { padding: 10px; }
    .topbar h1 { font-size: 16px; }
    .add-form { grid-template-columns: 1fr 1fr; }
    .add-form .field:nth-child(3),
    .add-form .field:nth-child(4) { grid-column: 1 / -1; }
    .add-form .checkbox-field { grid-column: 1 / -1; }
    .add-form button { grid-column: 1 / -1; }
    .rules-list { grid-template-columns: 1fr; }
    .log-box { height: 65vh; min-height: 400px; font-size: 11.5px; }
}